No-Bake Chocolate Oat Bars
A buttery oat base under a thick chocolate lid — set in the fridge, gone by morning.

Ingredients
- 250 g Oats
- 150 g Butter
- 100 g Brown sugar
- 200 g Chocolate chips
- ½ tsp Salt
- 2 tbsp Peanut butter (optional)
- 1 tsp Vanilla (optional)
Method
- Melt the butter with the brown sugar, vanilla, and salt in a saucepan over medium heat, stirring until smooth.
- Stir the oats into the buttery mixture and cook until well coated, about 2 minutes.
- Press two-thirds of the oat mixture firmly into a lined baking tin to form the base.
- Melt the chocolate chips in a bowl set over barely simmering water until smooth and glossy.
- Stir the peanut butter into the melted chocolate until silky. (optional)
- Pour the melted chocolate over the base and crumble the remaining oat mixture on top.
- Chill in the fridge until firm, about 2 hours.
- Cut into bars and serve cold from the fridge.
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About No-Bake Chocolate Oat Bars
No-Bake Chocolate Oat Bars are an American icebox treat, part of the long tradition of no-bake squares that set up in the refrigerator instead of the oven. The construction is simple and satisfying: a buttery, brown-sugar-bound oat mixture forms the base and the crumbly topping, with a thick layer of melted chocolate loosened by peanut butter sandwiched in the middle. Because nothing is baked, the oats stay soft and chewy rather than crisp, and the whole thing comes together in the time it takes the fridge to do its work.
The result is rich and fudgy, with a caramel-edged oat crunch giving way to a smooth chocolate-peanut-butter center that tastes like a homemade candy bar. The salt and vanilla in the buttery base keep the sweetness from turning cloying. These are ideal for a bake-sale-free crowd-pleaser or a make-ahead dessert, since they need a couple of hours in the cold to firm up before slicing. What makes this version work is the trick of pressing two-thirds of the oat mixture into the base and scattering the rest over the chocolate, so you get both a sturdy foundation and a rubbly, textured lid.
No-Bake Chocolate Oat Bars: frequently asked questions
How many calories are in No-Bake Chocolate Oat Bars?
A serving has about 378 calories — 5.8g protein, 43.6g carbs, 22.1g fat, 4.3g fiber. Figures are estimated from the ingredient amounts and will shift with your portions and brands.
Is No-Bake Chocolate Oat Bars gluten-free?
As written, no — it contains Oats. You'd need a certified gluten-free swap for that ingredient to make it gluten-free.
Is No-Bake Chocolate Oat Bars dairy-free?
Not as written — it uses Butter. Swapping it for a plant-based alternative makes it dairy-free.
How long does No-Bake Chocolate Oat Bars take to make?
About 30 minutes start to finish, but only around 16 of those are hands-on — the rest is largely unattended cooking time you can step away from. In the Homecooked app the timers and parallel steps are sequenced for you so the hands-on part feels even shorter.
Do I need every ingredient to make No-Bake Chocolate Oat Bars?
The core ingredients are essential, but you can leave out peanut butter, vanilla — they're optional and mainly there for extra flavor or finish.
How many servings does No-Bake Chocolate Oat Bars make?
This recipe makes 9 servings. In the app you can scale it up or down and the ingredient amounts adjust automatically.